Class: Sevgi::Executor

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/sevgi/executor.rb,
lib/sevgi/executor/error.rb,
lib/sevgi/executor/scope.rb,
lib/sevgi/executor/source.rb

Defined Under Namespace

Classes: Error, Scope, Source

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Executor

Returns a new instance of Executor.



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# File 'lib/sevgi/executor.rb', line 42

def initialize = @scopes = []

Class Method Details

.execute(string, file: nil, line: nil, require: nil, receiver: nil, &block) ⇒ Object 



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# File 'lib/sevgi/executor.rb', line 19

def self.execute(string, file: nil, line: nil, require: nil, receiver: nil, &block)
  return if string.empty?

  Signal.trap("INT") { Kernel.abort("") }

  ::Kernel.require(require) if require

  catch(:result) do
    instance.create.call(Source.new(string:, file:, line:), receiver, &block)
  end

ensure
  instance.shutdown
end

.execute_file(file, require: nil, receiver: nil, &block) ⇒ Object 



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# File 'lib/sevgi/executor.rb', line 34

def self.execute_file(file, require: nil, receiver: nil, &block)
  execute(::File.read(file), file: file, line: 1, require:, receiver:, &block)
end

.load(file) ⇒ Object 



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# File 'lib/sevgi/executor.rb', line 13

def self.load(file, ...)
  PanicError.("box stack empty; create a box first") unless instance.current

  instance.current.load(file, ...)
end

.shutdown ⇒ Object 



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# File 'lib/sevgi/executor.rb', line 38

def self.shutdown
  instance.shutdown
end

Instance Method Details

#create(scope = nil) ⇒ Object 



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# File 'lib/sevgi/executor.rb', line 44

def create(scope = nil) = Scope.new(scope).tap { @scopes << it }

#current ⇒ Object 



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# File 'lib/sevgi/executor.rb', line 46

def current = @scopes.last

#shutdown ⇒ Object 



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# File 'lib/sevgi/executor.rb', line 48

def shutdown = @scopes.pop